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Finding the Fourth Proportional to 14,758,719.72, 20,367,539.72 and 8,563,298.64

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Solution

The fourth proportional to 14,758,719.72, 20,367,539.72 and 8,563,298.64 is: 11,817,646.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,758,719.72 : 20,367,539.72 = 8,563,298.64 : x
  2. Step 2: Convert to fraction form
    14,758,719.72/20,367,539.72 = 8,563,298.64/x
  3. Step 3: Cross multiply
    14,758,719.72x = 20,367,539.72 × 8,563,298.64
  4. Step 4: Simplify right side
    14,758,719.72x = 174,413,325,184,421.97
  5. Step 5: Solve for x
    x = 174,413,325,184,421.97/14,758,719.72
  6. Step 6: Final answer
    x = 11,817,646.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.